Common Scab of Potato
By Thomas A. Zitter, Ph.D.
Professor, Dept. of Plant Pathology
Ithaca, New York
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This presentation on Common Scab of Potatoes was developed to help consultants, growers, and other practitioners in all regions of the country on all of the major aspects that need to be addressed to successfully manage this disease. I have divided my presentation into the following major themes: 1.) A general introduction to the disease; 2.) Development and a description of the symptomatology associated with Common Scab; 3.) Illustrations of another disease of potato called Powdery Scab, since it does have some features in common with Common Scab; 4.) Specific characteristics of the organisms involved; 5.) Some specific in-field features of this disease; and 6.) The best management practices necessary for dealing with this disease.
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